DOI: 10.1002/pol.1976.180140410. Carbon dioxide sorption and transport in polycarbonate

Carbon dioxide sorption and transport in polycarbonate

10.1002/pol.1976.180140410

Crossref journal-article

Wiley

Journal of Polymer Science: Polymer Physics Edition (311)

Abstract

AbstractThe solubility, permeability, and diffusion time lag for carbon dioxide in polycarbonate are reported at 35°C for pressures ranging from 1 atm to 23 atm. The solubility data are very well described by the dual sorption mechanism model, Henry's law plus Langmuir adsorption, proposed for glassy polymers. Both the permeability and time lag decrease with increased CO2 pressure. These observations are not consistent with the proposal that CO2 sorbed by the Langmuir contribution is totally immobilized; however, all of the results are entirely consistent with an extension of this proposal which considers partial immobilization. The data have been quantitatively analyzed in terms of this partial immobilization model, and the results suggest for polycarbonate at 35°C that the CC2 sorbed by the Langmuir portion of the isotherm behaves as if it has only about 10% of the mobility of the gas sorbed by the Henry's law part of the isotherm. The results have also been interpreted in terms of a concentration‐dependent diffusion coefficient which is shown to be mathematically equivalent to the partial immobilization model. The latter model was also formulated in thermodynamic terms, whereby fugacity was used rather than pressure, and diffusion coefficients were defined in terms of chemical potential gradients rather than concentration, but the consequences of these changes proved to be minor and no better. The significance of these observations and their interpretation is discussed.

Bibliography

Koros, W. J., Paul, D. R., & Rocha, A. A. (1976). Carbon dioxide sorption and transport in polycarbonate. Journal of Polymer Science: Polymer Physics Edition, 14(4), 687â702. Portico.

Authors 3

W. J. Koros (first)
D. R. Paul (additional)
A. A. Rocha (additional)

References 28 Referenced 298

10.1002/app.1963.070070607
10.1080/00222347108212520
10.1002/pol.1972.160100202
K. D.Ziegel Ph.D. Dissertation Polytechnic Institute of Brooklyn 1966.
10.1063/1.1729066
10.1002/app.1964.070080513
10.1016/0095-8522(65)90071-1
10.1016/0021-9797(66)90090-7
10.1016/0021-9797(66)90016-6
10.1007/978-1-4615-8684-5_8
10.1002/app.1972.070160414
{'key': 'e_1_2_1_13_2', 'first-page': '1892', 'volume': '11', 'author': 'Toi K.', 'year': '1973', 'journal-title': 'J. Polymer Sci., Polym. Phys. Ed.'} / J. Polymer Sci., Polym. Phys. Ed. by Toi K. (1973)
10.1007/978-94-010-2355-9_10
10.1002/pol.1973.180111012
10.1002/pen.760130608
10.1007/978-1-4684-2877-3_20
10.1007/978-1-4684-2877-3_4
10.1007/978-1-4684-2877-3_18
10.1002/pol.1969.160071015
10.1002/pol.1970.160081014
{'key': 'e_1_2_1_22_2', 'first-page': '79', 'volume-title': 'Transport Phenomena Through Polymer Films, (J. Polym. Sci., Pt. C, (41))', 'author': 'Paul D. R.', 'year': '1973'} / Transport Phenomena Through Polymer Films, (J. Polym. Sci., Pt. C, (41)) by Paul D. R. (1973)
10.1002/pol.1974.180120304
10.1002/pol.1976.180140409
10.1002/app.1963.070070507
{'key': 'e_1_2_1_26_2', 'first-page': '17', 'volume': '10', 'author': 'Paul D. R.', 'year': '1965', 'journal-title': 'J. Polym. Sci.'} / J. Polym. Sci. by Paul D. R. (1965)
{'key': 'e_1_2_1_27_2', 'first-page': '132', 'volume-title': 'Thermodynamic Functions of Gases', 'author': 'Newitt D. M.', 'year': '1956'} / Thermodynamic Functions of Gases by Newitt D. M. (1956)
{'key': 'e_1_2_1_28_2', 'first-page': '245', 'volume-title': 'Thermophysical Properties of Carbon Dioxide', 'author': 'Vulkalovich M. P.', 'year': '1968'} / Thermophysical Properties of Carbon Dioxide by Vulkalovich M. P. (1968)
10.1021/j150547a018

Dates

Type	When
Created	22 years, 4 months ago (April 16, 2003, 9:03 a.m.)
Deposited	1 year, 9 months ago (Nov. 1, 2023, 10:32 a.m.)
Indexed	3 weeks, 1 day ago (Aug. 2, 2025, 12:51 a.m.)
Issued	49 years, 4 months ago (April 1, 1976)
Published	49 years, 4 months ago (April 1, 1976)
Published Online	22 years, 5 months ago (March 11, 2003)
Published Print	49 years, 4 months ago (April 1, 1976)

Funders 0

None

BibTeX

@article{Koros_1976, title={Carbon dioxide sorption and transport in polycarbonate}, volume={14}, ISSN={1542-9385}, url={http://dx.doi.org/10.1002/pol.1976.180140410}, DOI={10.1002/pol.1976.180140410}, number={4}, journal={Journal of Polymer Science: Polymer Physics Edition}, publisher={Wiley}, author={Koros, W. J. and Paul, D. R. and Rocha, A. A.}, year={1976}, month=apr, pages={687–702} }

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